Jaeger LeCoultre ATMOS Rare 'Borne' Model Clock circa early 1960's - Fully Overhauled and Serviced An opportunity to acquire a rare model of the legendary Jaeger leCoultre ATMOS clock. The Borne Ballard model was produced for a brief period in the 1960's and was not one of their main catalogue models. The clock has been completely overhauled with new replacement parts. It would realistically fetch ...